Which retail innovation, first introduced in 1916, revolutionized shopping habits by allowing customers to select their own merchandise without clerk assistance?

The way we shop has dramatically evolved throughout history. Before the early 20th century, customers would present a list to clerks who gathered items from behind counters. This poll explores a pivotal innovation in retail history that fundamentally changed consumer behavior and shopping habits, creating the foundation for modern supermarkets and department stores. Test your knowledge of this transformative retail concept that revolutionized the shopping experience!

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Piggly Wiggly's self-service grocery store model
Sears Roebuck's mail-order catalog shopping
Marshall Field's introduction of the department store concept
F.W. Woolworth's five-and-dime store format